Food Web Dynamics

• Testing food web theories and trophic cascade hypotheses: What is the relative importance of bottom-up and top-down forces in governing food web structure?

• Interplay between bottom-up and top-down processes: Will simultaneous bottom-up and top-down processes counteract or augment each other?

• Trophic downgrading and upgrading: How can trophic manipulations alter community processes and ecosystem functions such as primary productivity, nutrient cycling, and carbon storage?

• Interactions between food webs in different habitats: How may external resources such as spatial subsidies and allochthonous inputs induce trophic cascades in focal habitat?

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